Big voices apparently run in the family on Smash. Next Monday, Broadway great Bernadette Peters makes a guest-star turn as Ivy’s (Megan Hilty) mother, Leigh Conroy, who was apparently once a legend in her own right.

In the exclusive clip below, Peters (only somewhat reluctantly) performs a rousing rendition of the classic “Everything’s Coming Up Roses” from Gypsy to the delight of Tom, Julia, Karen, and other gawking onlookers from the Marilyn cast and crew.